Web Security

Hi,does anybody know, how to block ultrasurf application through http / https ?same question /w this https://supportforums.cisco.com/discussion/11171671/how-block-ultrasurfplease help Regards,Habibi

I added our IT group e-mail to the Ironport S160 to be alerted when product keys are about to expire.  Our IronPort C160 e-mail filter does this but the S160 did not. We periodically get this email: Subject: Critical <System> webfilter.domain.com: TU...

When you go to some sites like http://ncpanet.org/index.php/advocacy/legislative-action-center there are links embedded into the page that should not be there.  If I take my laptop to our other office that is not on the Ironport the links are not the...

Dear all, I just wonder if anyone knows whether UDP traffic is analyzed by the WSA's L4 traffic monitor?It just tells "all ports" in the settings and reports also only reflect port numbers but no details likewhich protocol (tcp/udp).Anyone?Best,Hasch...

We have an interesting scenario at one of our locations. The site basically wants to do web filtering through their 5505 ASA. The admin users should have full access to the internet and the employees will be limited to none major social media and str...

I added our IT group e-mail to the Ironport S160 to be alerted when product keys are about to expire.  Our IronPort C160 e-mail filter does this but the S160 did not. We periodically get this email: Subject: Critical <System> webfilter.domain.com: TU...

Hi,We have WSA configured for central office users web traffic control and its working fine. We also want to use the branch users to controler their web traffic using the same WSA. We have added the branch network subnets to existing WCCP ACL which i...

Hi,We have Ironport S670 in configured in transparent mode as a standalone device. Internet access is slow through the proxy. Whether below total connections of  30656 can be an issue? How much connections this model of proxy can handle without any i...

Hi all.  I was curious if an external vendors like Entrust or Thawte would sell an Intermediate CA certificate and key for HTTPS filtering, or if this is something reserved only for business partners (like other CA's who are going to charge for certs...

Hi,I have network such as P1 connecting to Internal network and P2 connecting to ASA P1 is not reacheable from internal LAN,I have a route for internal LAN pointing towards Core (P1 VLAN) and Default route pointing towards ASA, My M1 interface is on...

Hello.I get this error on my appliance Ironport S170 under OS Version: 7.5.1-201.The Critical message is:The temporary data partition is at 109% capacityAnyone can tell me how i can solve this?Thanks.

I'm curious as to what everyone is using to block users from downloading certain file types (.exe, msi, zip, bat, etc) from the internet? We had websense, now barracuda for a web filter but have major issues with filtering downloads from the internet...